← 返回 修复 MGLRU 的隔离统计与限流
v4 2026-08-20

修复 MGLRU 的隔离统计与限流 · v4

修复 MGLRU evict_folios() 未更新 NR_ISOLATED 且不经过 too_many_isolated() 限流。

原始补丁链接

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子 Patch（2）

1/2
mm/vmscan: fix missing NR_ISOLATED counter update in MGLRU reclaim path
From: Hui Zhu zhuhui@kylinos.cn MGLRU evict_folios() isolates folios from the LRU without updating the NR_ISOLATED_ANON/FILE counters, unlike the legacy shrink_inactive_list() path. This causes com
2/2
mm/vmscan: apply too_many_isolated() throttling to MGLRU eviction
From: Hui Zhu zhuhui@kylinos.cn The legacy path throttles direct reclaim in shrink_inactive_list() when too many isolated folios pile up, but MGLRU’s evict_folios() isolates folios without this che
← v2